diff --git a/extensions/csharp/package.json b/extensions/csharp/package.json
index ab4411451e3..8bdbb161080 100644
--- a/extensions/csharp/package.json
+++ b/extensions/csharp/package.json
@@ -15,7 +15,8 @@
         "id": "csharp",
         "extensions": [
           ".cs",
-          ".csx"
+          ".csx",
+          ".cake"
         ],
         "aliases": [
           "C#",